| Archaeoastronomy.com | |
| 网站标题： | Archaeoastronomy pinpoints equinox, solstice and cross quarter *s throughout the year |
| 网站简介： | ancient skywatchers regulated their calendars and tracked days with celestial alignments, often sunrises and sunsets with targetted shadow and light features on equinoxes, solstices and cross quarters |
| 关键字： | archaeoastronomy earth clock astronomy archaeology equinox solstice solar alignment orbit science seasons sky sun stars planets Stonehenge ancient astronomers sky culture worship |
| cosmos4kids.com | |
| 网站标题： | Rader&*39;s COSMOS4KIDS.COM |
| 网站简介： | Cosmos4Kids.com! The web site that teaches astronomy and space science fundamentals to everyone! Tutorials on the Univesre, galaxies, stars, and the Solar System. |
| 关键字： | cosmos4kids chem4kids rader astronomy space space science cosmos universe galaxy stars systems solar system planet history mission instrument sun earth mars saturn |
| questar-corp.com | |
| 网站标题： | Questar Corporation |
| 网站简介： | Questar Corporation |
| 关键字： | ascension astronomy astronomical astronomical mount astrophotography atmosphere atmospheric azimuth birder birding border surveillance Braymer camera Cassegrain CCD Celestron celestial |
| ukraa.com | |
| 网站标题： | UK Radio Astronomy Association (UKRAA) - * |
| 网站简介： | UK Radio Astronomy Association (UKRAA) trading arm of the Radio Astronomy Group of the British Astronomical Association to handle the development and * of radio astronomy equipment. |
| 关键字： | VLF SID ionosphere hydrogen line BAA magnetometer controller astronomy radio flare solar data logger geophysics BAA RAG Starbase Staribus Protocol book |
| icstars.com | |
| 网站标题： | ICSTARS Online Store * Page |
| 网站简介： | Great astronomical products! |
| 关键字： | ICSTARS DayStar Filters Astronomy |
| caulleyscorner.com | |
| 网站标题： | Mr. Caulley&*39;s Corner |
| 网站简介： | A Teachers * Page |
| 关键字： | Astronomy Archaeology Tourism Genealogy Education Ft. Zumwalt Mr. Caulley fossils Grand Lido Braco Highway Construction Jamaica Hawaii |
| ligo.org | |
| 网站标题： | LSC - LIGO Scientific Collaboration |
| 网站简介： | LIGO Scientific Collaboration (LSC) seeks to detect gr*itational w*es and use them for exploration of fundamentals of science. |
| 关键字： | LIGO ligo LSC lsc LIGO Scientific Collaboration ligo collaboration astronomy physics |
| practicalspace.com | |
| 网站标题： | Practical Space - The Solar System, a little more clear. |
| 网站简介： | Practical Space, a science website about the solar system, planets, moons and outer space that you can understand. |
| 关键字： | space solar system planets moons the solar system astronomy |
| planet4589.org | |
| 网站标题： | Jonathan&*39;s Space Report |
| 网站简介： | Jonathan McDowells new *page |
| 关键字： | Jonathan McDowell space astronomy Chandra |
| astronomy101.com | |
| 网站标题： | ASTRONOMY101 Astronomy Mega Site News Supplies Optics, More |
| 网站简介： | ASTRONOMY 101 Mega Site to astronomy news, space, pics, telescope, supplies, events, sites, meteor,titan,nasa,sedna,hubble |
| 关键字： | astronomy 101 news stars space planets orbit equipment optics telescopes faq astronomer events find games video new top hot meteor meteor shower sedna titan hubble pics galaxy saturn mars |
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